.4x+0.25(115-x)=39

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Solution for .4x+0.25(115-x)=39 equation:


Simplifying
0.4x + 0.25(115 + -1x) = 39
0.4x + (115 * 0.25 + -1x * 0.25) = 39
0.4x + (28.75 + -0.25x) = 39

Reorder the terms:
28.75 + 0.4x + -0.25x = 39

Combine like terms: 0.4x + -0.25x = 0.15x
28.75 + 0.15x = 39

Solving
28.75 + 0.15x = 39

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-28.75' to each side of the equation.
28.75 + -28.75 + 0.15x = 39 + -28.75

Combine like terms: 28.75 + -28.75 = 0.00
0.00 + 0.15x = 39 + -28.75
0.15x = 39 + -28.75

Combine like terms: 39 + -28.75 = 10.25
0.15x = 10.25

Divide each side by '0.15'.
x = 68.33333333

Simplifying
x = 68.33333333

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